In 2026, Kotlin turned fifteen. Over these fifteen years, Kotlin has constructed a mature ecosystem, been adopted by corporations world wide, and established a big and lively developer group.
Fifteen years is lengthy sufficient to grasp which know-how traits lasted and which didn’t. This report seems again at Kotlin’s first fifteen years to see what they reveal about how the language matured, whereas answering questions like: “Is Kotlin right here to remain?”, “Can Kotlin scale throughout platforms?”, and “How does Kotlin match into the AI period?”
As we speak, builders worldwide use Kotlin throughout a various vary of functions, together with cell, backend, and multiplatform. The language can also be discovering its place within the quickly evolving AI house, the place Kotlin’s strengths, like static typing, null security, and coroutines, tackle new relevance. Kotlin is actively taking part within the shift towards AI-assisted improvement: Amongst surveyed Kotlin builders, 93% use a minimum of one AI coding device, whereas 81% already use or are prone to attempt AI coding brokers. An equal share – 81% – say that AI-generated Kotlin code is absolutely appropriate or requires solely minor fixes.
The State of Kotlin in 2026 report combines information from JetBrains analysis with unbiased business information and real-world adoption proof. Some findings confirmed what we anticipated; others challenged some acquainted assumptions. Whereas the language stays deeply established in Android improvement, greater than half of Kotlin builders now report engaged on backend initiatives, highlighting how far its utilization has expanded past cell.
Collectively, these findings level to a broader story: Kotlin’s evolution isn’t nearly progress, however about how numerous its utilization has turn out to be, spanning backend, multiplatform, AI-assisted improvement, and extra. On the similar time, the developer group itself has grown extra skilled.
State of Kotlin in 2026: Discover the highlights
See what the information tells us about how Kotlin has advanced and the place its ecosystem stands immediately.
Learn the complete report → Obtain the State of Kotlin in 2026 PDF
